TTBV Class Reference

Bit vector used by Track Trigger emulators. Mainly used to convert integers into arbitrary (within margin) sized two's complement string. More...

#include <TTBV.h>

Public Member Functions
TTBV &	abs ()
bool	all () const
bool	any () const
std::bitset< S >	bs () const
int	count () const
int	count (int begin, int end, bool b=true) const
TTBV &	flip ()
TTBV &	flip (int pos)
bool	msb () const
std::bitset< S >::reference	msb ()
bool	none () const
bool	operator!= (const TTBV &rhs) const
TTBV &	operator&= (const TTBV &rhs)
TTBV	operator+ (const TTBV &rhs) const
TTBV &	operator++ ()
TTBV &	operator+= (const TTBV &rhs)
TTBV	operator<< (int pos) const
TTBV &	operator<<= (int pos)
bool	operator== (const TTBV &rhs) const
TTBV	operator>> (int pos) const
TTBV &	operator>>= (int pos)
bool	operator[] (int pos) const
std::bitset< S >::reference	operator[] (int pos)
TTBV &	operator^= (const TTBV &rhs)
TTBV &	operator|= (const TTBV &rhs)
TTBV	operator~ () const
int	plEncode (bool b=true) const
int	pmEncode (bool b=true) const
TTBV &	reset ()
TTBV &	reset (int pos)
TTBV &	resize (int size)
TTBV &	set ()
TTBV &	set (int pos)
int	size () const
std::string	str () const
std::string	str (int start, int end=0) const
	TTBV ()
	TTBV (const double d)
	TTBV (unsigned long long int value, int size)
	TTBV (int value, int size, bool Signed=false)
	TTBV (double value, double base, int size, bool Signed=false)
	TTBV (const std::string &str, bool Signed=false)
	TTBV (const std::bitset< S > &bs, bool Signed=false)
bool	twos () const
int	val () const
int	val (bool Signed) const
int	val (int start, int end=0, bool Signed=false) const
double	val (double base) const

Static Public Attributes
static constexpr int	S = 64

Private Member Functions
unsigned long long int	iMax () const
constexpr std::array< unsigned long long int, S >	powersOfTwo () const

Private Attributes
std::bitset< S >	bs_
int	size_
bool	twos_

Detailed Description

Bit vector used by Track Trigger emulators. Mainly used to convert integers into arbitrary (within margin) sized two's complement string.

Author

Thomas Schuh

Date

2020, Jan

Definition at line 18 of file TTBV.h.

Constructor & Destructor Documentation

TTBV::TTBV ( )

inline

Definition at line 29 of file TTBV.h.

Referenced by val().

: twos_(false), size_(S), bs_(std::bitset<S>(0)) {}

TTBV::TTBV ( const double  d )

inline

Definition at line 32 of file TTBV.h.

References bs_, c, and ztail::d.

                       : twos_(false), size_(S) {
    int index(0);
    const char* c = reinterpret_cast<const char*>(&d);
    for (int iByte = 0; iByte < (int)sizeof(d); iByte++) {
      const std::bitset<std::numeric_limits<unsigned char>::digits> byte(*(c + iByte));
      for (int bit = 0; bit < std::numeric_limits<unsigned char>::digits; bit++)
        bs_[index++] = byte[bit];
    }
  }

TTBV::TTBV ( unsigned long long int  value, int  size  )

inline

Definition at line 43 of file TTBV.h.

: twos_(false), size_(size), bs_(std::bitset<S>(value)) {}

TTBV::TTBV ( int  value, int  size, bool  Signed = false  )

inline

Definition at line 46 of file TTBV.h.

      : twos_(Signed), size_(size), bs_(std::bitset<S>((!Signed || value >= 0) ? value : value + iMax())) {}

TTBV::TTBV ( double  value, double  base, int  size, bool  Signed = false  )

inline

Definition at line 50 of file TTBV.h.

: TTBV((int)std::floor(value / base), size, Signed) {}

TTBV::TTBV ( const std::string &  str, bool  Signed = false  )

inline

Definition at line 53 of file TTBV.h.

: twos_(Signed), size_(str.size()), bs_(std::bitset<S>(str)) {}

TTBV::TTBV ( const std::bitset< S > &  bs, bool  Signed = false  )

inline

Definition at line 56 of file TTBV.h.

: twos_(Signed), size_(S), bs_(std::bitset<S>(bs)) {}

Member Function Documentation

TTBV& TTBV::abs ( )

inline

Definition at line 182 of file TTBV.h.

References flip(), msb(), operator++(), size_, and twos_.

              {
    if (twos_) {
      twos_ = false;
      if (this->msb()) {
        this->flip();
        this->operator++();
      }
      size_--;
    }
    return *this;
  }

bool TTBV::all ( ) const

inline

Definition at line 72 of file TTBV.h.

References bs_.

{ return bs_.all(); }

bool TTBV::any ( ) const

inline

Definition at line 73 of file TTBV.h.

References bs_.

{ return bs_.any(); }

std::bitset<S> TTBV::bs ( ) const

inline

Definition at line 61 of file TTBV.h.

References bs_.

{ return bs_; }

int TTBV::count ( void  ) const

inline

Definition at line 75 of file TTBV.h.

References bs_.

{ return bs_.count(); }

int TTBV::count ( int  begin, int  end, bool  b = true  ) const

inline

Definition at line 229 of file TTBV.h.

References b, bs_, c, dataset::end, and mps_fire::i.

                                                     {
    int c(0);
    for (int i = begin; i < end; i++)
      if (bs_[i] == b)
        c++;
    return c;
  }

TTBV& TTBV::flip ( )

inline

Definition at line 161 of file TTBV.h.

References bs_, dqmiodumpmetadata::n, and size_.

Referenced by abs(), and operator~().

               {
    for (int n = 0; n < size_; n++)
      bs_.flip(n);
    return *this;
  }

TTBV& TTBV::flip ( int  pos )

inline

Definition at line 176 of file TTBV.h.

References bs_.

                      {
    bs_.flip(pos);
    return *this;
  }

unsigned long long int TTBV::iMax ( ) const

inlineprivate

Definition at line 263 of file TTBV.h.

References powersOfTwo(), and size_.

Referenced by val().

                                      {
    static const std::array<unsigned long long int, S> lut = powersOfTwo();
    return lut[size_];
  }

bool TTBV::msb ( ) const

inline

Definition at line 68 of file TTBV.h.

References bs_, and size_.

Referenced by abs(), resize(), and val().

{ return bs_[size_ - 1]; }

std::bitset<S>::reference TTBV::msb ( )

inline

Definition at line 69 of file TTBV.h.

References bs_, and size_.

{ return bs_[size_ - 1]; }

bool TTBV::none ( ) const

inline

Definition at line 74 of file TTBV.h.

References bs_.

{ return bs_.none(); }

bool TTBV::operator!= ( const TTBV &  rhs ) const

inline

Definition at line 79 of file TTBV.h.

References bs_.

{ return bs_ != rhs.bs_; }

TTBV& TTBV::operator&= ( const TTBV &  rhs )

inline

Definition at line 82 of file TTBV.h.

References bs_, visualization-live-secondInstance_cfg::m, SiStripPI::max, resize(), size(), and size_.

                                    {
    const int m(std::max(size_, rhs.size()));
    this->resize(m);
    TTBV bv(rhs);
    bv.resize(m);
    bs_ &= bv.bs_;
    return *this;
  }

TTBV TTBV::operator+ ( const TTBV &  rhs ) const

inline

Definition at line 139 of file TTBV.h.

                                        {
    TTBV lhs(*this);
    return lhs += rhs;
  }

TTBV& TTBV::operator++ ( )

inline

Definition at line 145 of file TTBV.h.

References bs_, resize(), and size_.

Referenced by abs().

                     {
    bs_ = std::bitset<S>(bs_.to_ullong() + 1);
    this->resize(size_);
    return *this;
  }

TTBV& TTBV::operator+= ( const TTBV &  rhs )

inline

Definition at line 133 of file TTBV.h.

References bs_, size(), and size_.

                                    {
    bs_ <<= rhs.size();
    bs_ |= rhs.bs_;
    size_ += rhs.size();
    return *this;
  }

TTBV TTBV::operator<< ( int  pos ) const

inline

Definition at line 123 of file TTBV.h.

                                 {
    TTBV bv(*this);
    return bv >>= pos;
  }

TTBV& TTBV::operator<<= ( int  pos )

inline

Definition at line 117 of file TTBV.h.

References bs_, and size_.

Referenced by resize().

                             {
    bs_ <<= S - size_ + pos;
    bs_ >>= S - size_ + pos;
    size_ -= pos;
    return *this;
  }

bool TTBV::operator== ( const TTBV &  rhs ) const

inline

Definition at line 78 of file TTBV.h.

References bs_.

{ return bs_ == rhs.bs_; }

TTBV TTBV::operator>> ( int  pos ) const

inline

Definition at line 127 of file TTBV.h.

                                 {
    TTBV bv(*this);
    return bv <<= pos;
  }

TTBV& TTBV::operator>>= ( int  pos )

inline

Definition at line 112 of file TTBV.h.

References bs_, and size_.

                             {
    bs_ >>= pos;
    size_ -= pos;
    return *this;
  }

bool TTBV::operator[] ( int  pos ) const

inline

Definition at line 64 of file TTBV.h.

References bs_.

{ return bs_[pos]; }

std::bitset<S>::reference TTBV::operator[] ( int  pos )

inline

Definition at line 65 of file TTBV.h.

References bs_.

{ return bs_[pos]; }

TTBV& TTBV::operator^= ( const TTBV &  rhs )

inline

Definition at line 98 of file TTBV.h.

References bs_, visualization-live-secondInstance_cfg::m, SiStripPI::max, resize(), size(), and size_.

                                    {
    const int m(std::max(size_, rhs.size()));
    this->resize(m);
    TTBV bv(rhs);
    bv.resize(m);
    bs_ ^= bv.bs_;
    return *this;
  }

TTBV& TTBV::operator|= ( const TTBV &  rhs )

inline

Definition at line 90 of file TTBV.h.

References bs_, visualization-live-secondInstance_cfg::m, SiStripPI::max, resize(), size(), and size_.

                                    {
    const int m(std::max(size_, rhs.size()));
    this->resize(m);
    TTBV bv(rhs);
    bv.resize(m);
    bs_ |= bv.bs_;
    return *this;
  }

TTBV TTBV::operator~ ( ) const

inline

Definition at line 106 of file TTBV.h.

References flip().

                         {
    TTBV bv(*this);
    return bv.flip();
  }

int TTBV::plEncode ( bool  b = true ) const

inline

Definition at line 238 of file TTBV.h.

References b, bs_, alignCSCRings::e, and size_.

                                    {
    for (int e = 0; e < size_; e++)
      if (bs_[e] == b)
        return e;
    return size_;
  }

int TTBV::pmEncode ( bool  b = true ) const

inline

Definition at line 246 of file TTBV.h.

References b, bs_, alignCSCRings::e, and size_.

                                    {
    for (int e = size_ - 1; e > -1; e--)
      if (bs_[e] == b)
        return e;
    return size_;
  }

constexpr std::array<unsigned long long int, S> TTBV::powersOfTwo ( ) const

inlineprivate

Definition at line 255 of file TTBV.h.

References mps_fire::i, funct::pow(), and S.

Referenced by iMax().

                                                                    {
    std::array<unsigned long long int, S> lut = {};
    for (int i = 0; i < S; i++)
      lut[i] = std::pow(2, i);
    return lut;
  }

TTBV& TTBV::reset ( void  )

inline

Definition at line 152 of file TTBV.h.

References bs_.

                {
    bs_.reset();
    return *this;
  }

TTBV& TTBV::reset ( int  pos )

inline

Definition at line 168 of file TTBV.h.

References bs_.

                       {
    bs_.reset(pos);
    return *this;
  }

TTBV& TTBV::resize ( int  size )

inline

Definition at line 195 of file TTBV.h.

References bs_, msb(), dqmiodumpmetadata::n, operator<<=(), size(), size_, and twos_.

Referenced by operator&=(), operator++(), operator^=(), and operator|=().

                         {
    bool msb = this->msb();
    if (size > size_) {
      if (twos_)
        for (int n = size_; n < size; n++)
          bs_.set(n, msb);
      size_ = size;
    } else if (size < size_ && size > 0) {
      this->operator<<=(size - size_);
      if (twos_)
        this->msb() = msb;
    }
    return *this;
  }

TTBV& TTBV::set ( )

inline

Definition at line 156 of file TTBV.h.

References bs_, dqmiodumpmetadata::n, and size_.

Referenced by trackerDTC::Stub::formatTMTT().

              {
    for (int n = 0; n < size_; n++)
      bs_.set(n);
    return *this;
  }

TTBV& TTBV::set ( int  pos )

inline

Definition at line 172 of file TTBV.h.

References bs_.

                     {
    bs_.set(pos);
    return *this;
  }

int TTBV::size ( void  ) const

inline

Definition at line 60 of file TTBV.h.

References size_.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), operator&=(), operator+=(), operator^=(), operator|=(), and resize().

{ return size_; }

std::string TTBV::str ( ) const

inline

Definition at line 211 of file TTBV.h.

References bs_, and size_.

Referenced by trackerDTC::Stub::formatTMTT(), and val().

{ return bs_.to_string().substr(S - size_, S); }

std::string TTBV::str ( int  start, int  end = 0  ) const

inline

Definition at line 214 of file TTBV.h.

References dataset::end, size_, and str().

Referenced by str().

{ return this->str().substr(size_ - start, size_ - end); }

bool TTBV::twos ( ) const

inline

Definition at line 59 of file TTBV.h.

References twos_.

{ return twos_; }

int TTBV::val ( ) const

inline

Definition at line 217 of file TTBV.h.

References bs_, iMax(), msb(), and twos_.

Referenced by trackerDTC::Setup::stubPos().

{ return (twos_ && this->msb()) ? (int)bs_.to_ullong() - iMax() : bs_.to_ullong(); }

int TTBV::val ( bool  Signed ) const

inline

Definition at line 220 of file TTBV.h.

References bs_, iMax(), and msb().

{ return (Signed && this->msb()) ? (int)bs_.to_ullong() - iMax() : bs_.to_ullong(); }

int TTBV::val ( int  start, int  end = 0, bool  Signed = false  ) const

inline

Definition at line 223 of file TTBV.h.

References dataset::end, str(), and TTBV().

{ return TTBV(this->str(start, end), Signed).val(); }

double TTBV::val ( double  base ) const

inline

Definition at line 226 of file TTBV.h.

References newFWLiteAna::base, and val().

Referenced by val().

{ return (this->val() + .5) * base; }

Member Data Documentation

std::bitset<S> TTBV::bs_

private

Definition at line 25 of file TTBV.h.

Referenced by all(), any(), bs(), count(), flip(), msb(), none(), operator!=(), operator&=(), operator++(), operator+=(), operator<<=(), operator==(), operator>>=(), operator[](), operator^=(), operator|=(), plEncode(), pmEncode(), reset(), resize(), set(), str(), TTBV(), and val().

constexpr int TTBV::S = 64

static

Definition at line 20 of file TTBV.h.

Referenced by trackerDTC::Setup::calculateConstants(), and powersOfTwo().

int TTBV::size_

private

Definition at line 24 of file TTBV.h.

Referenced by abs(), flip(), iMax(), msb(), operator&=(), operator++(), operator+=(), operator<<=(), operator>>=(), operator^=(), operator|=(), plEncode(), pmEncode(), resize(), set(), size(), and str().

bool TTBV::twos_

private

Definition at line 23 of file TTBV.h.

Referenced by abs(), resize(), twos(), and val().